Add ability in the editor to change the user directory

editor/layout/main.fl

@@ -11,7 +11,7 @@ widget_class mainView {open
     class Background
   }
   Fl_Group {} {
-    comment {theme=darkTheme} open
+    comment {theme=darkTheme}
     xywh {0 0 800 110}
     class LogicalGroup
   } {
@@ -138,7 +138,7 @@ widget_class mainView {open
     }
   }
   Fl_Group {subPanels_[kPanelGeneral]} {
-    xywh {5 110 791 285}
+    xywh {5 110 791 285} hide
     class LogicalGroup
   } {
     Fl_Group {} {open
@@ -213,7 +213,7 @@ widget_class mainView {open
     }
   }
   Fl_Group {subPanels_[kPanelSettings]} {open
-    xywh {5 109 790 286} hide
+    xywh {5 109 790 316}
     class LogicalGroup
   } {
     Fl_Group {} {
@@ -304,8 +304,25 @@ widget_class mainView {open
         class ValueMenu
       }
     }
+    Fl_Group userFilesGroup_ {
+      label Files open selected
+      xywh {620 270 139 100} box ROUNDED_BOX labelsize 12 align 17
+      class TitleGroup
+    } {
+      Fl_Box {} {
+        label {User SFZ folder}
+        xywh {640 290 100 25} labelsize 12
+        class ValueLabel
+      }
+      Fl_Button userFilesDirButton_ {
+        label DefaultPath
+        comment {tag=kTagChooseUserFilesDir}
+        xywh {640 330 100 25} labelsize 12
+        class ValueButton
+      }
+    }
   }
-  Fl_Box piano_ {selected
+  Fl_Box piano_ {
     xywh {5 400 790 70} labelsize 12
     class Piano
   }

editor/src/editor/EditIds.h

@@ -17,6 +17,8 @@ enum class EditId : int {
     ScalaRootKey,
     TuningFrequency,
     StretchTuning,
+    CanEditUserFilesDir,
+    UserFilesDir,
     UINumCurves,
     UINumMasters,
     UINumGroups,

editor/src/editor/Editor.cpp

@@ -63,6 +63,7 @@ struct Editor::Impl : EditorController::Receiver, IControlListener {
         kTagSetScalaRootKey,
         kTagSetTuningFrequency,
         kTagSetStretchedTuning,
+        kTagChooseUserFilesDir,
         kTagFirstChangePanel,
         kTagLastChangePanel = kTagFirstChangePanel + kNumPanels - 1,
     };
@@ -86,6 +87,9 @@ struct Editor::Impl : EditorController::Receiver, IControlListener {
     CControl *stretchedTuningSlider_ = nullptr;
     CTextLabel* stretchedTuningLabel_ = nullptr;
 
+    STitleContainer* userFilesGroup_ = nullptr;
+    STextButton* userFilesDirButton_ = nullptr;
+
     CTextLabel* infoCurvesLabel_ = nullptr;
     CTextLabel* infoMastersLabel_ = nullptr;
     CTextLabel* infoGroupsLabel_ = nullptr;
@@ -118,6 +122,7 @@ struct Editor::Impl : EditorController::Receiver, IControlListener {
     void changeToNextSfzFile(long offset);
     void chooseScalaFile();
     void changeScalaFile(const std::string& filePath);
+    void chooseUserFilesDir();
 
     static bool scanDirectoryFiles(const fs::path& dirPath, std::function<bool(const fs::path&)> filter, std::vector<fs::path>& fileNames);
 
@@ -125,6 +130,7 @@ struct Editor::Impl : EditorController::Receiver, IControlListener {
 
     void updateSfzFileLabel(const std::string& filePath);
     void updateScalaFileLabel(const std::string& filePath);
+    void updateUserFilesDirLabel(const std::string& filePath);
     static void updateLabelWithFileName(CTextLabel* label, const std::string& filePath, absl::string_view removedSuffix);
     static void updateButtonWithFileName(STextButton* button, const std::string& filePath, absl::string_view removedSuffix);
     static void updateSButtonWithFileName(STextButton* button, const std::string& filePath, absl::string_view removedSuffix);
@@ -268,6 +274,17 @@ void Editor::Impl::uiReceiveValue(EditId id, const EditValue& v)
             updateStretchedTuningLabel(value);
         }
         break;
+    case EditId::CanEditUserFilesDir:
+        {
+            if (STitleContainer* group = userFilesGroup_)
+                group->setVisible(v.to_float());
+            break;
+        }
+    case EditId::UserFilesDir:
+        {
+            updateUserFilesDirLabel(v.to_string());
+            break;
+        }
     case EditId::UINumCurves:
         {
             const int value = static_cast<int>(v.to_float());
@@ -836,6 +853,22 @@ void Editor::Impl::changeScalaFile(const std::string& filePath)
     updateScalaFileLabel(filePath);
 }
 
+void Editor::Impl::chooseUserFilesDir()
+{
+    SharedPointer<CNewFileSelector> fs = owned(
+        CNewFileSelector::create(frame_, CNewFileSelector::kSelectDirectory));
+
+    fs->setTitle("Set user files directory");
+
+    if (fs->runModal()) {
+        UTF8StringPtr dir = fs->getSelectedFile(0);
+        if (dir) {
+            updateUserFilesDirLabel(dir);
+            ctrl_->uiSendValue(EditId::UserFilesDir, std::string(dir));
+        }
+    }
+}
+
 bool Editor::Impl::scanDirectoryFiles(const fs::path& dirPath, std::function<bool(const fs::path&)> filter, std::vector<fs::path>& fileNames)
 {
     std::error_code ec;
@@ -898,6 +931,11 @@ void Editor::Impl::updateScalaFileLabel(const std::string& filePath)
     updateButtonWithFileName(scalaFileButton_, filePath, ".scl");
 }
 
+void Editor::Impl::updateUserFilesDirLabel(const std::string& filePath)
+{
+    updateButtonWithFileName(userFilesDirButton_, filePath, {});
+}
+
 void Editor::Impl::updateLabelWithFileName(CTextLabel* label, const std::string& filePath, absl::string_view removedSuffix)
 {
     if (!label)
@@ -1137,6 +1175,13 @@ void Editor::Impl::valueChanged(CControl* ctl)
         updateStretchedTuningLabel(value);
         break;
 
+    case kTagChooseUserFilesDir:
+        if (value != 1)
+            break;
+
+        Call::later([this]() { chooseUserFilesDir(); });
+        break;
+
     default:
         if (tag >= kTagFirstChangePanel && tag <= kTagLastChangePanel) {
             int panelId = tag - kTagFirstChangePanel;

editor/src/editor/layout/main.hpp

@@ -69,6 +69,7 @@ enterTheme(defaultTheme);
 LogicalGroup* const view__28 = createLogicalGroup(CRect(5, 110, 796, 395), -1, "", kCenterText, 14);
 subPanels_[kPanelGeneral] = view__28;
 view__0->addView(view__28);
+view__28->setVisible(false);
 RoundedGroup* const view__29 = createRoundedGroup(CRect(0, 0, 175, 280), -1, "", kCenterText, 14);
 view__28->addView(view__29);
 Label* const view__30 = createLabel(CRect(15, 10, 75, 35), -1, "Curves:", kLeftText, 14);
@@ -104,10 +105,9 @@ RoundedGroup* const view__41 = createRoundedGroup(CRect(0, 0, 790, 285), -1, "",
 view__40->addView(view__41);
 Label* const view__42 = createLabel(CRect(0, 0, 790, 285), -1, "Controls not available", kCenterText, 40);
 view__41->addView(view__42);
-LogicalGroup* const view__43 = createLogicalGroup(CRect(5, 109, 795, 395), -1, "", kCenterText, 14);
+LogicalGroup* const view__43 = createLogicalGroup(CRect(5, 109, 795, 425), -1, "", kCenterText, 14);
 subPanels_[kPanelSettings] = view__43;
 view__0->addView(view__43);
-view__43->setVisible(false);
 TitleGroup* const view__44 = createTitleGroup(CRect(255, 26, 535, 126), -1, "Engine", kCenterText, 12);
 view__43->addView(view__44);
 ValueMenu* const view__45 = createValueMenu(CRect(25, 60, 85, 85), kTagSetNumVoices, "", kCenterText, 12);
@@ -150,6 +150,14 @@ view__51->addView(view__59);
 ValueMenu* const view__60 = createValueMenu(CRect(170, 60, 200, 85), kTagSetScalaRootKey, "", kCenterText, 12);
 scalaRootOctaveSlider_ = view__60;
 view__51->addView(view__60);
-Piano* const view__61 = createPiano(CRect(5, 400, 795, 470), -1, "", kCenterText, 12);
-piano_ = view__61;
-view__0->addView(view__61);
+TitleGroup* const view__61 = createTitleGroup(CRect(615, 161, 754, 261), -1, "Files", kCenterText, 12);
+userFilesGroup_ = view__61;
+view__43->addView(view__61);
+ValueLabel* const view__62 = createValueLabel(CRect(20, 20, 120, 45), -1, "User SFZ folder", kCenterText, 12);
+view__61->addView(view__62);
+ValueButton* const view__63 = createValueButton(CRect(20, 60, 120, 85), kTagChooseUserFilesDir, "DefaultPath", kCenterText, 12);
+userFilesDirButton_ = view__63;
+view__61->addView(view__63);
+Piano* const view__64 = createPiano(CRect(5, 400, 795, 470), -1, "", kCenterText, 12);
+piano_ = view__64;
+view__0->addView(view__64);

lv2/sfizz_ui.cpp

@@ -239,6 +239,10 @@ instantiate(const LV2UI_Descriptor *descriptor,
     self->editor.reset(editor);
     editor->open(*uiFrame);
 
+    // user files dir is not relevant to LV2 (not yet?)
+    // LV2 has its own path management mechanism
+    self->uiReceiveValue(EditId::CanEditUserFilesDir, 0);
+
     *widget = reinterpret_cast<LV2UI_Widget>(uiFrame->getPlatformFrame()->getPlatformRepresentation());
 
     if (self->resize)

vst/SfizzVstEditor.cpp

@@ -6,6 +6,7 @@
 
 #include "SfizzVstEditor.h"
 #include "SfizzVstState.h"
+#include "SfizzFileScan.h"
 #include "editor/Editor.h"
 #include "editor/EditIds.h"
 #if !defined(__APPLE__) && !defined(_WIN32)
@@ -73,6 +74,10 @@ bool PLUGIN_API SfizzVstEditor::open(void* parent, const VSTGUI::PlatformType& p
 
     editor->open(*frame);
 
+    absl::optional<fs::path> userFilesDir = SfizzPaths::getSfzConfigDefaultPath();
+    uiReceiveValue(EditId::CanEditUserFilesDir, 1);
+    uiReceiveValue(EditId::UserFilesDir, userFilesDir.value_or(fs::path()).u8string());
+
     return true;
 }
 
@@ -242,6 +247,10 @@ void SfizzVstEditor::uiSendValue(EditId id, const EditValue& v)
             normalizeAndSet(kPidStretchedTuning, kParamStretchedTuningRange, v.to_float());
             break;
 
+        case EditId::UserFilesDir:
+            SfizzPaths::setSfzConfigDefaultPath(fs::u8path(v.to_string()));
+            break;
+
         case EditId::UIActivePanel:
             uiState_.activePanel = static_cast<int32>(v.to_float());
             break;